GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
Read( "MainExample.g" ); Hom( W, W ); WW := UnderlyingModule( W ); Res := Resolution( W ); Res2 := ShortenResolution( W ); Resolution( W ); BasisOfModule( W ); ByASmallerPresentation( W ); syz := SyzygiesGenerators( W ); wmor := GradedMap( wmat, "free", "free", "left", S ); wmor := GradedMap( wmat, "left", S ); SetIsMorphism( wmor, true ); ker := Kernel( wmor ); Y := GradedHom( S^0, W ); iota := TorsionObjectEmb( W ); pi := TorsionFreeFactorEpi( W ); C := HomalgComplex( pi, 0 ); Add( C, iota ); T := TorsionObject( W ); F := TorsionFreeFactor( W ); O := HomalgCocomplex( iota, -1 ); Add( O, pi ); W2 := TensorProduct( W, W ); WW2 := TensorProduct( WW, WW );